Star Wars - AVG board issue

scottmaggie

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Star Wars - AVG board issue but NOT the AVG chip

Having an issue with my AVG board. It is not the AVG chip, ROM or 6 socketed RAM on the AVG. These along with the main pcb and sound pcb are all tested 100% good with a working SW AVG board. The monitor etc. are all also good.

On start up this AVG causes what can only be described as a repetitive chirp sound along with a green bolt/flash on the monitor.

My thoughts lean toward the TL082's or the DAC's bt who knows. Maybe one of you has a better idea?
 
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Nah, I'd guess it's further back - not in the analog / final stages of the vector output - maybe something from sheet 12A or 12B?
 
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